Re: Modifying ClipMaps in RealTime

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Allan Schaffer (allan++at++southpark.engr.sgi.com)
Sun, 26 Jul 1998 16:47:23 -0700 (PDT)

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In reply to: Oyvind Roa: "Multiple presentation of the same geometry in different channels."

On Jul 20, 1:19pm, Jeffry J Brickley wrote:
> Has anyone tried modifying the imagery of a ClipMap on-disk/in-memory in
> real-time? We have had a theoretical discussion of doing so here, but are
> not sure what the stumbling blocks of doing so would be.....

This is perhaps too simple an answer, but be sure to check out the
pfuGridifyClipTexture routine in:

/usr/share/Performers/lib/libpfutil/gridify.C

It is how clipfly (the cliptexture-enabled version of perfly, used by
the Yosemite demo & others) adds the colored hashmarks to the
cliptexture when you press the 'g' key.

Allan

-- 
Allan Schaffer                                                allan++at++sgi.com
Silicon Graphics                               http://reality.sgi.com/allan
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Next message: Allan Schaffer: "Re: display has 2 channels on iR"
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In reply to: Oyvind Roa: "Multiple presentation of the same geometry in different channels."

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